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  #13  
Old 08-20-2015, 12:35 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Found the torque spec for the two tstat housing bolts. They need to be hand tight, then torqued to 105 in-lbs in 1/4 turns, making sure to alternate between both bolts until the torque wrench clicks. I double checked for leaks around the tstat housing after running the vehicle in the driveway for a few minutes. Then, I took the Jeep for a test drive after installing the new tstat. Got about half a mile away from my house while I watched the center screen temperature readout on the digital screen between the guages. It got to 238 on my way back to my house. I pulled in to the driveway and got out to add some coolant. Sure enough, I could hear it start boiling again and the readout said 265, so I shut it down quickly. The overflow tank was exactly where it had been before: at the mid-point between the "full" and "add" marks. I opened up the fill cap and started adding the 50/50 mix. After about 1/4 bottle, I heard it start boiling loudly and some coolant bubbled up and out of the fill tube. The entire time, there was a loud boiling sound coming from near the water pump and radiator. I started filling it up again with the 50/50, but this time it took it slowly until I had finished adding the entire bottle. I looked under the vehicle to make sure there were no leaks...and wouldn't you know it...it was pouring out of somewhere. I looked all around the tstat housing and there was not even a slight leak. So, I took off the plastic skid plate on the front under the engine. At this point, the engine was cooled down and nothing hot was dripping underneath. Then, I inspected near the crank pulley and above it to see if I could determine if coolant was leaking from underneath the water pump. It was getting late, so I will try to look again tomorrow morning. This stupid Jeep is about to be traded in AS IS. I will NEVER again buy a Chrysler product. Between last month's costly ELSD module "Service 4wd" issue, the delaminating dash leather, and causing my family to become stranded in 95 degree heat...I'm finished with MOPAR. I'm going tomorrow to look at GMC trucks so I'll feel a bit better about my options. Time to go back to being a GMC/Chevy truck owner like I was for 15 years without drama. Sorry for venting, but I'm not a happy camper.

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  #14  
Old 08-20-2015, 08:29 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Its not a dodgy radiator cap?
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Old 08-20-2015, 08:35 AM
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Quote:
Originally Posted by RedStickOffroad View Post
Found the torque spec for the two tstat housing bolts. They need to be hand tight, then torqued to 105 in-lbs in 1/4 turns, making sure to alternate between both bolts until the torque wrench clicks. I double checked for leaks around the tstat housing after running the vehicle in the driveway for a few minutes. Then, I took the Jeep for a test drive after installing the new tstat. Got about half a mile away from my house while I watched the center screen temperature readout on the digital screen between the guages. It got to 238 on my way back to my house. I pulled in to the driveway and got out to add some coolant. Sure enough, I could hear it start boiling again and the readout said 265, so I shut it down quickly. The overflow tank was exactly where it had been before: at the mid-point between the "full" and "add" marks. I opened up the fill cap and started adding the 50/50 mix. After about 1/4 bottle, I heard it start boiling loudly and some coolant bubbled up and out of the fill tube. The entire time, there was a loud boiling sound coming from near the water pump and radiator. I started filling it up again with the 50/50, but this time it took it slowly until I had finished adding the entire bottle. I looked under the vehicle to make sure there were no leaks...and wouldn't you know it...it was pouring out of somewhere. I looked all around the tstat housing and there was not even a slight leak. So, I took off the plastic skid plate on the front under the engine. At this point, the engine was cooled down and nothing hot was dripping underneath. Then, I inspected near the crank pulley and above it to see if I could determine if coolant was leaking from underneath the water pump. It was getting late, so I will try to look again tomorrow morning. This stupid Jeep is about to be traded in AS IS. I will NEVER again buy a Chrysler product. Between last month's costly ELSD module "Service 4wd" issue, the delaminating dash leather, and causing my family to become stranded in 95 degree heat...I'm finished with MOPAR. I'm going tomorrow to look at GMC trucks so I'll feel a bit better about my options. Time to go back to being a GMC/Chevy truck owner like I was for 15 years without drama. Sorry for venting, but I'm not a happy camper.
So probably a failed water pump maybe? Seals failed dumping fluid? What did they charge for elsd?
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Old 08-20-2015, 08:56 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

First of all, sorry for all the inconvenience you had to go through, especially with your family. Glad you were safe. You mentioned that you had your CDJ dealer perform the coolant flush during the ELSD visit. How exactly did they perform this flush? Did they use the Wynn's Power Flush machine, or just simply drain and refill? If with the Wynn's, I'm wondering if that could have caused something.
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  #17  
Old 08-20-2015, 09:22 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Quote:
Originally Posted by RedStickOffroad View Post
Anyone know the torque specs for the 2011 Hemi equipped JGC thermostat housing bolts? I have my handy 1/4" torque wrench ready.


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I don't know the torque spec off hand, but I've always just snugged them up and no issues.
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Old 08-20-2015, 09:46 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Am I missing something here, you have a 5 yr 100K powertrain warranty?

Bring it to the dealer and talk to them.

Sounds like a bad waterpump seal.


Also What I do on all my cars, is simply do a drain and refill of the radiator/block every other year by removing the lower hose. You will never have cooling issues with this method.
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Old 08-20-2015, 11:28 AM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

OK first must find/fix leak. Then when filled start engine cold. By the time it reaches 200F the top radiator hose should get hot. If not turn the heater on max hot. If you get heat the water is circulating and the radiator may be clogged or the thermostat is not opening. If no heat then the water pump may be bad.
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  #20  
Old 08-20-2015, 12:17 PM
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Thumbs up Re: Stranded on highway due to overheating in 2011 JGC Overland

Thanks to everyone for the posts. I attempted to fill up the Jeep today with all the accessories and belts out of the way to find the leak. Looks like it's coming from behind the water pump pulley. It must be a large crack or damage to the seal around the pulley dowel because it's coming out at a good rate. Having it towed to the closest CDJ dealer in town. I called and they said that the 100K warranty from Chrysler won't cover it, but that their "Bumper to Bumper" warranty may cover the water pump replacement. We shall see. More to follow once I get it back and running again. Thanks again for your input and advice.
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  #21  
Old 08-20-2015, 05:11 PM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Quote:
Originally Posted by ekaz View Post
If you get the Mopar or the straight Zerex, yuou'll need to mix. Zerex also sells the G-05 pre-mixed.
I wouldn't worry about the fill tube. Make sure the overflow has enough coolant, the system will pull from there. Get all the air out too.
Mopar coolant for the Hemi also comes premixed.
Bought a gallon 2 years ago, haven't cracked it open yet.
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Old 08-20-2015, 05:13 PM
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Re: Stranded on highway due to overheating in 2011 JGC Overland

Water pump working?
Good flow in the radiator visible?
If not could explain why it never makes it into the overflow.
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  #23  
Old 08-24-2015, 12:42 PM
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Thumbs up Re: Stranded on highway due to overheating in 2011 JGC Overland

Got the JGC back from the dealership on Saturday after they replaced the water pump. Luckily it was covered under the powertrain warranty, so I was only out the $284 to tow the Jeep and my family back 90 miles home last Monday. Took it straight to the GMC/Chevy/Buick dealership and traded in on a 2014 GMC SLT K1500 All Terrain Truck yesterday (Sunday). Only 20k miles on the GMC and plenty of warranty left. It was a great experience here in the Jeep Garage, and thanks to everyone who participated and contributed to my posts. Great group of guys and gals here. I may be back in the future if I finally get an SRT as I've been dreaming of doing for the past few years.
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